Posts

Bitmap Join Indexes

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Bitmap Index Overview

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SCD Type 2 error: ODI-1228:ORA-01747: invalid user.table.column, table.column, or column specification

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Oracle Job Schedulers examples

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Get a list of MViews depending on table using DBMS_MVIEW.GET_MV_DEPENDENCIES

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B-Tree Index

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World of ETL Tools Available ... sooooooomany etl tools.....

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HOW TO Kill The Running Job & session in Oracle

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What is Fact ? and Types of Fact?

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Types Dimensions in Dimensional Modeling

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Difference between Datamart and Data Warehouse

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What is Factless Fact table? When we will use this?

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Dimensional Hierarchy example

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Start Schema Data Warehouse Concepts

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Snowflake Schema Data Warehouse Concepts

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Galaxy Schema Data Warehouse Concepts

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Differences between Star Schema and Snowflake Schema Data Warehouse Concepts

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SCD - Slowly Changing Dimention - Type 1, Type -2 , Type -3 Data Warehouse Concepts

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Top-down versus bottom-up design methodologies in Datawarehousing

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Physical Data Model - Design Step -3

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Logical Data Model - Design Step -2

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Conceptual Data Model - Design Step 1

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PLSQL Interview Questions

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SQL * LOADER

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LINUX and Shell Scripting

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